ITEM NAME:Marine Boat Bimini Top Deck Hinge 90 Degree - Kayak Fitting/Hardware - 316 Description: 90Â °Deck hinge With removable bolt/pin It is used to mount boat cover to a boat Heavy duty marine grade cast 316 stainless steel construction High polished face for sleek appearance and to match today's modern watercraft Specification: Material: 316 stainless steel Color: Silver Base Size (Lx W): Approx. 2.32 x 0.67 inch/5.9 x 1.7 cm Screw Hole Diameter: Approx. 0.2 inch/0.5 cm Two holes center spacing: Approx. 1.57 inch/4 cm Package Includes: 1 Piece Boat Cover/Canopy Deck Hinge Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!.Heavy duty marine grade cast 316 stainless steel construction. Material: 316 stainless steel. 1 Piece Boat Cover/Canopy Deck Hinge. It is used to mount boat cover to a boat. 90Â °Deck hinge. Color may be slightly different since different monitor.